Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 19, NWS Amarillo, TX

March 7, 2000Armstrong County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 7, 2000, 2:35 PM CST for Armstrong County, Texas. It was in force for 25 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Mar 7, 2000, 2:35 PM CST (20:35 UTC)
Expired
Mar 7, 2000, 3:00 PM CST
In force
25 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Armstrong County, TX

The radar

The Amarillo radar (KAMA), 49 km from the middle of the area, began a volume at 20:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 7, 2:40 PM CSTThunderstorm Wind 55 EClaude, TXPower lines were blown down and there was damage to some barns.
Mar 7, 2:42 PM CSTHail 0.75Claude, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 7, 12:00 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.6 hours before the alert went out and 48 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2000-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 609 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2000-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
609 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KAMA 072036
SVRAMA
TXC011-072100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
235 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ARMSTRONG COUNTY IN THE TEXAS PANHANDLE

* UNTIL 300 PM CST

* AT 235 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF CLAUDE...MOVING NORTHEAST AT
  40 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  GOODNIGHT AND CLAUDE

DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET UNDERGROUND...GO
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS!

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

LAT...LON 3476 10130 3476 10109 3519 10111 3518 10139
          3510 10155

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 7, 11:48 AM CST, 2 hours 47 minutes earlier.

Area forecast discussion, Mar 7, 11:48 AM CST, 2 hours 47 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
1148 AM CST TUE MAR 7 2000

WILL BE ISSUING UPDATED ZONES SHORTLY TO REFLECT CURRENT/FCSTD WIND
AND CONVECTIVE/SEVERE WX WATCH TRENDS.  MODEL PROGS FROM THIS MORNING
INDICATE STRONG WINDS BEHIND COLD FRONT THIS AFTERNOON AND TONIGHT
WITH GUSTS THAT MAY APPROACH 50 MPH.  THEREFORE WIND ADVISORY WILL BE
ISSUED.

.AMA...
TX...WIND ADVISORY IN EFFECT THIS AFTERNOON TXZ001-006-011-016.
     WIND ADVISORY IN EFFECT TONIGHT TXZ001>020.
OK...WIND ADVISORY IN EFFECT THIS AFTERNOON OKZ001.
     WIND ADVISORY IN EFFECT TONIGHT OKZ001>003.

JH

In the hours before

Special weather statement, Mar 7, 2:29 PM CST, 6 minutes before
OKZ003-TXZ004-009-014-019-072100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
229 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING
COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH
71 THAT IS IN EFFECT UNTIL 800 PM CST.

COUNTIES IN THE OKLAHOMA PANHANDLE...
BEAVER...

IN THE NORTHERN TEXAS PANHANDLE...
OCHILTREE...ROBERTS...GRAY AND DONLEY.

JH
Special weather statement, Mar 7, 2:29 PM CST, 6 minutes before
OKZ003-TXZ004-009-014-019-072100-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE AMARILLO TX
229 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING
COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH
71 THAT IS IN EFFECT UNTIL 800 PM CST.

COUNTIES IN THE OKLAHOMA PANHANDLE...
BEAVER...

IN THE TEXAS PANHANDLE...
OCHILTREE...ROBERTS...GRAY AND DONLEY.

JH

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 2:28 PM CSTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Potter62 min
Mar 7, 2:55 PM CSTSevere Thunderstorm WarningAMAHansford65 min
Mar 7, 3:00 PM CSTSevere Thunderstorm WarningAMADonley, Gray60 min
Mar 7, 3:37 PM CSTSevere Thunderstorm WarningAMARoberts53 min
Mar 7, 3:45 PM CSTSevere Thunderstorm WarningAMAWheeler45 min
Mar 7, 3:49 PM CSTSevere Thunderstorm WarningAMAOchiltree56 min
Mar 7, 3:57 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb63 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.